LGTM

Le Thu, Aug 3, 2017 à 12:11 PM, Leif Lindholm <leif.lindh...@linaro.org> a
écrit :

> The 32-bit arm efi port now shares the 64-bit linux loader, so delete
> the now unused bits from the 32-bit linux loader.
>
> This in turn leaves the grub-core/kern/arm/efi/misc.c unused, so
> delete that too.
>
> Signed-off-by: Leif Lindholm <leif.lindh...@linaro.org>
> ---
>  grub-core/Makefile.am         |   1 -
>  grub-core/kern/arm/efi/misc.c | 202
> ------------------------------------------
>  grub-core/loader/arm/linux.c  |  28 ------
>  include/grub/arm/efi/loader.h |  26 ------
>  include/grub/arm/linux.h      |  16 ----
>  5 files changed, 273 deletions(-)
>  delete mode 100644 grub-core/kern/arm/efi/misc.c
>  delete mode 100644 include/grub/arm/efi/loader.h
>
> diff --git a/grub-core/Makefile.am b/grub-core/Makefile.am
> index 622f946f5..cd3424c07 100644
> --- a/grub-core/Makefile.am
> +++ b/grub-core/Makefile.am
> @@ -256,7 +256,6 @@ KERNEL_HEADER_FILES +=
> $(top_srcdir)/include/grub/fdtbus.h
>  endif
>
>  if COND_arm_efi
> -KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/arm/efi/loader.h
>  KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/efi.h
>  KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/efi/disk.h
>  KERNEL_HEADER_FILES += $(top_srcdir)/include/grub/arm/system.h
> diff --git a/grub-core/kern/arm/efi/misc.c b/grub-core/kern/arm/efi/misc.c
> deleted file mode 100644
> index 7cd41842a..000000000
> --- a/grub-core/kern/arm/efi/misc.c
> +++ /dev/null
> @@ -1,202 +0,0 @@
> -/* misc.c - various system functions for an arm-based EFI system */
> -/*
> - *  GRUB  --  GRand Unified Bootloader
> - *  Copyright (C) 2013 Free Software Foundation, Inc.
> - *
> - *  GRUB is free software: you can redistribute it and/or modify
> - *  it under the terms of the GNU General Public License as published by
> - *  the Free Software Foundation, either version 3 of the License, or
> - *  (at your option) any later version.
> - *
> - *  GRUB is distributed in the hope that it will be useful,
> - *  but WITHOUT ANY WARRANTY; without even the implied warranty of
> - *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> - *  GNU General Public License for more details.
> - *
> - *  You should have received a copy of the GNU General Public License
> - *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
> - */
> -
> -#include <grub/misc.h>
> -#include <grub/mm.h>
> -#include <grub/cpu/linux.h>
> -#include <grub/cpu/system.h>
> -#include <grub/efi/efi.h>
> -#include <grub/machine/loader.h>
> -
> -static inline grub_size_t
> -page_align (grub_size_t size)
> -{
> -  return (size + (1 << 12) - 1) & (~((1 << 12) - 1));
> -}
> -
> -/* Find the optimal number of pages for the memory map. Is it better to
> -   move this code to efi/mm.c?  */
> -static grub_efi_uintn_t
> -find_mmap_size (void)
> -{
> -  static grub_efi_uintn_t mmap_size = 0;
> -
> -  if (mmap_size != 0)
> -    return mmap_size;
> -
> -  mmap_size = (1 << 12);
> -  while (1)
> -    {
> -      int ret;
> -      grub_efi_memory_descriptor_t *mmap;
> -      grub_efi_uintn_t desc_size;
> -
> -      mmap = grub_malloc (mmap_size);
> -      if (! mmap)
> -       return 0;
> -
> -      ret = grub_efi_get_memory_map (&mmap_size, mmap, 0, &desc_size, 0);
> -      grub_free (mmap);
> -
> -      if (ret < 0)
> -       {
> -         grub_error (GRUB_ERR_IO, "cannot get memory map");
> -         return 0;
> -       }
> -      else if (ret > 0)
> -       break;
> -
> -      mmap_size += (1 << 12);
> -    }
> -
> -  /* Increase the size a bit for safety, because GRUB allocates more on
> -     later, and EFI itself may allocate more.  */
> -  mmap_size += (1 << 12);
> -
> -  return page_align (mmap_size);
> -}
> -
> -#define NEXT_MEMORY_DESCRIPTOR(desc, size)      \
> -  ((grub_efi_memory_descriptor_t *) ((char *) (desc) + (size)))
> -#define PAGE_SHIFT 12
> -
> -void *
> -grub_efi_allocate_loader_memory (grub_uint32_t min_offset, grub_uint32_t
> size)
> -{
> -  grub_efi_uintn_t desc_size;
> -  grub_efi_memory_descriptor_t *mmap, *mmap_end;
> -  grub_efi_uintn_t mmap_size, tmp_mmap_size;
> -  grub_efi_memory_descriptor_t *desc;
> -  void *mem = NULL;
> -  grub_addr_t min_start = 0;
> -
> -  mmap_size = find_mmap_size();
> -  if (!mmap_size)
> -    return NULL;
> -
> -  mmap = grub_malloc(mmap_size);
> -  if (!mmap)
> -    return NULL;
> -
> -  tmp_mmap_size = mmap_size;
> -  if (grub_efi_get_memory_map (&tmp_mmap_size, mmap, 0, &desc_size, 0) <=
> 0)
> -    {
> -      grub_error (GRUB_ERR_IO, "cannot get memory map");
> -      goto fail;
> -    }
> -
> -  mmap_end = NEXT_MEMORY_DESCRIPTOR (mmap, tmp_mmap_size);
> -  /* Find lowest accessible RAM location */
> -  {
> -    int found = 0;
> -    for (desc = mmap ; !found && (desc < mmap_end) ;
> -        desc = NEXT_MEMORY_DESCRIPTOR(desc, desc_size))
> -      {
> -       switch (desc->type)
> -         {
> -         case GRUB_EFI_CONVENTIONAL_MEMORY:
> -         case GRUB_EFI_LOADER_CODE:
> -         case GRUB_EFI_LOADER_DATA:
> -           min_start = desc->physical_start + min_offset;
> -           found = 1;
> -           break;
> -         default:
> -           break;
> -         }
> -      }
> -  }
> -
> -  /* First, find free pages for the real mode code
> -     and the memory map buffer.  */
> -  for (desc = mmap ; desc < mmap_end ;
> -       desc = NEXT_MEMORY_DESCRIPTOR(desc, desc_size))
> -    {
> -      grub_uint64_t start, end;
> -
> -      grub_dprintf("mm", "%s: 0x%08x bytes @ 0x%08x\n",
> -                  __FUNCTION__,
> -                  (grub_uint32_t) (desc->num_pages << PAGE_SHIFT),
> -                  (grub_uint32_t) (desc->physical_start));
> -
> -      if (desc->type != GRUB_EFI_CONVENTIONAL_MEMORY)
> -       continue;
> -
> -      start = desc->physical_start;
> -      end = start + (desc->num_pages << PAGE_SHIFT);
> -      grub_dprintf("mm", "%s: start=0x%016llx, end=0x%016llx\n",
> -                 __FUNCTION__, start, end);
> -      start = start < min_start ? min_start : start;
> -      if (start + size > end)
> -       continue;
> -      grub_dprintf("mm", "%s: let's allocate some (0x%x) pages @
> 0x%08x...\n",
> -                 __FUNCTION__, (size >> PAGE_SHIFT), (grub_addr_t) start);
> -      mem = grub_efi_allocate_pages (start, (size >> PAGE_SHIFT) + 1);
> -      grub_dprintf("mm", "%s: retval=0x%08x\n",
> -                  __FUNCTION__, (grub_addr_t) mem);
> -      if (! mem)
> -       {
> -         grub_error (GRUB_ERR_OUT_OF_MEMORY, "cannot allocate memory");
> -         goto fail;
> -       }
> -      break;
> -    }
> -
> -  if (! mem)
> -    {
> -      grub_error (GRUB_ERR_OUT_OF_MEMORY, "cannot allocate memory");
> -      goto fail;
> -    }
> -
> -  grub_free (mmap);
> -  return mem;
> -
> - fail:
> -  grub_free (mmap);
> -  return NULL;
> -}
> -
> -grub_err_t
> -grub_efi_prepare_platform (void)
> -{
> -  grub_efi_uintn_t mmap_size;
> -  grub_efi_uintn_t map_key;
> -  grub_efi_uintn_t desc_size;
> -  grub_efi_uint32_t desc_version;
> -  grub_efi_memory_descriptor_t *mmap_buf;
> -  grub_err_t err;
> -
> -  /*
> -   * Cloned from IA64
> -   * Must be done after grub_machine_fini because map_key is used by
> -   *exit_boot_services.
> -   */
> -  mmap_size = find_mmap_size ();
> -  if (! mmap_size)
> -    return GRUB_ERR_OUT_OF_MEMORY;
> -  mmap_buf = grub_efi_allocate_pages (0, page_align (mmap_size) >> 12);
> -  if (! mmap_buf)
> -    return GRUB_ERR_OUT_OF_MEMORY;
> -
> -  err = grub_efi_finish_boot_services (&mmap_size, mmap_buf, &map_key,
> -                                      &desc_size, &desc_version);
> -  if (err != GRUB_ERR_NONE)
> -    return err;
> -
> -  return GRUB_ERR_NONE;
> -}
> diff --git a/grub-core/loader/arm/linux.c b/grub-core/loader/arm/linux.c
> index 067f69894..e563eca95 100644
> --- a/grub-core/loader/arm/linux.c
> +++ b/grub-core/loader/arm/linux.c
> @@ -290,15 +290,6 @@ linux_boot (void)
>     */
>    linuxmain = (kernel_entry_t) linux_addr;
>
> -#ifdef GRUB_MACHINE_EFI
> -  {
> -    grub_err_t err;
> -    err = grub_efi_prepare_platform();
> -    if (err != GRUB_ERR_NONE)
> -      return err;
> -  }
> -#endif
> -
>    grub_arm_disable_caches_mmu ();
>
>    linuxmain (0, machine_type, target_fdt);
> @@ -317,13 +308,7 @@ linux_load (const char *filename, grub_file_t file)
>
>    size = grub_file_size (file);
>
> -#ifdef GRUB_MACHINE_EFI
> -  linux_addr = (grub_addr_t) grub_efi_allocate_loader_memory
> (LINUX_PHYS_OFFSET, size);
> -  if (!linux_addr)
> -    return grub_errno;
> -#else
>    linux_addr = LINUX_ADDRESS;
> -#endif
>    grub_dprintf ("loader", "Loading Linux to 0x%08x\n",
>                 (grub_addr_t) linux_addr);
>
> @@ -428,20 +413,7 @@ grub_cmd_initrd (grub_command_t cmd __attribute__
> ((unused)),
>
>    size = grub_get_initrd_size (&initrd_ctx);
>
> -#ifdef GRUB_MACHINE_EFI
> -  if (initrd_start)
> -    grub_efi_free_pages (initrd_start,
> -                        (initrd_end - initrd_start + 0xfff) >> 12);
> -  initrd_start = (grub_addr_t) grub_efi_allocate_loader_memory
> (LINUX_INITRD_PHYS_OFFSET, size);
> -
> -  if (!initrd_start)
> -    {
> -      grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
> -      goto fail;
> -    }
> -#else
>    initrd_start = LINUX_INITRD_ADDRESS;
> -#endif
>
>    grub_dprintf ("loader", "Loading initrd to 0x%08x\n",
>                 (grub_addr_t) initrd_start);
> diff --git a/include/grub/arm/efi/loader.h b/include/grub/arm/efi/loader.h
> deleted file mode 100644
> index 4bab18e83..000000000
> --- a/include/grub/arm/efi/loader.h
> +++ /dev/null
> @@ -1,26 +0,0 @@
> -/*
> - *  GRUB  --  GRand Unified Bootloader
> - *  Copyright (C) 2013  Free Software Foundation, Inc.
> - *
> - *  GRUB is free software: you can redistribute it and/or modify
> - *  it under the terms of the GNU General Public License as published by
> - *  the Free Software Foundation, either version 3 of the License, or
> - *  (at your option) any later version.
> - *
> - *  GRUB is distributed in the hope that it will be useful,
> - *  but WITHOUT ANY WARRANTY; without even the implied warranty of
> - *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> - *  GNU General Public License for more details.
> - *
> - *  You should have received a copy of the GNU General Public License
> - *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
> - */
> -
> -#ifndef GRUB_LOADER_MACHINE_HEADER
> -#define GRUB_LOADER_MACHINE_HEADER     1
> -
> -grub_err_t EXPORT_FUNC (grub_efi_prepare_platform) (void);
> -void * EXPORT_FUNC (grub_efi_allocate_loader_memory) (grub_uint32_t
> min_offset,
> -                                                     grub_uint32_t size);
> -
> -#endif /* ! GRUB_LOADER_MACHINE_HEADER */
> diff --git a/include/grub/arm/linux.h b/include/grub/arm/linux.h
> index 802090239..758e97d72 100644
> --- a/include/grub/arm/linux.h
> +++ b/include/grub/arm/linux.h
> @@ -41,20 +41,6 @@ struct grub_linux_kernel_header {
>  # define LINUX_FDT_ADDRESS    (LINUX_INITRD_ADDRESS - 0x10000)
>  # define grub_arm_firmware_get_boot_data grub_uboot_get_boot_data
>  # define grub_arm_firmware_get_machine_type grub_uboot_get_machine_type
> -#elif defined GRUB_MACHINE_EFI
> -# include <grub/efi/efi.h>
> -# include <grub/machine/loader.h>
> -/* On UEFI platforms - load the images at the lowest available address not
> -   less than *_PHYS_OFFSET from the first available memory location. */
> -# define LINUX_PHYS_OFFSET        (0x00008000)
> -# define LINUX_INITRD_PHYS_OFFSET (LINUX_PHYS_OFFSET + 0x02000000)
> -# define LINUX_FDT_PHYS_OFFSET    (LINUX_INITRD_PHYS_OFFSET - 0x10000)
> -# define grub_arm_firmware_get_boot_data
> (grub_addr_t)grub_efi_get_firmware_fdt
> -static inline grub_uint32_t
> -grub_arm_firmware_get_machine_type (void)
> -{
> -  return GRUB_ARM_MACHINE_TYPE_FDT;
> -}
>  #elif defined (GRUB_MACHINE_COREBOOT)
>  #include <grub/fdtbus.h>
>  #include <grub/machine/kernel.h>
> @@ -73,6 +59,4 @@ grub_arm_firmware_get_machine_type (void)
>  }
>  #endif
>
> -#define FDT_ADDITIONAL_ENTRIES_SIZE    0x300
> -
>  #endif /* ! GRUB_LINUX_CPU_HEADER */
> --
> 2.11.0
>
>
> _______________________________________________
> Grub-devel mailing list
> Grub-devel@gnu.org
> https://lists.gnu.org/mailman/listinfo/grub-devel
>
_______________________________________________
Grub-devel mailing list
Grub-devel@gnu.org
https://lists.gnu.org/mailman/listinfo/grub-devel

Reply via email to